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WorksheetsHuman Bodies Semester 2 Midterm review
Total questions: 131
Worksheet time: 1hrs 6mins
______ refers to homeostasis or relative consistency of normal electrolyte levels in the body's fluids
fluid balance
electrolyte balance
electrolyte
negative feedback
Endocrine diseases are usually a result of hormone
hypersecretion
hyposecretion
hyper- or hypo-secretion
none of these mechanisms
Breaking down nutrient molecules into smaller molecules and the energy released during this process is referred to as
assimilation
anabolism
catabolism
glycolysis
_____ refers to homeostasis, or relative constancy of body fluid levels- a condition required for healthy survival
fluid balance
electrolyte balance
ions
negative feedback
All of the following are part of glucose catabolism, except
glycolysis
glycogenesis
Citric acid / Kreb's cycle
electron transport system
Substances (like salts) which break apart or dissolve in a water solution to form electrically charged particles
secretions
diuretics
solutes
electrolytes
positively charged ions
cations
nonelectrolytes
anions
solutes
Which of the following types of hormone will most likely use a second messenger in the cell?
steroid hormone
non-steroid hormone
carbohydrate hormone
cholesterol hormone
Hormones that are released right next to their target cells are referred to as
exocrine agents
endocrine agents
steroid agents
paracrine agents
A cell which has specific receptors on its plasma membrane for a specific hormone is referred to as that hormone's
signal transduction
cell
target cell
cyclic AMP cell
messenger cell
The dissociated particles of an electrolyte
(Hint: they carry either a + or - charge)
solutes
ions
hormones
solutes
The hormone which acts as an antagonist to calcitonin is
triiodothyronine
thyroxin
parathyroid hormone/ parathormone
prolactin
Which of the following individuals would typically have the highest percentage of water per body weight?
baby
25 yo female
25 yo male
75 yo female
The formation of glucose or glycogen from protein or fat compounds is referred to as
glycolysis
glucagon
gluconeogenesis
glycogenolysis
The extracellular fluid compartment is made up of all of the following except:
plasma
interstitial fluid and lymph
transcellular fluid
all are part of the extracellular fluid
Which of the following "fluid compartments" makes up the majority of the body's fluid percentage?
plasma
lymph
intracellular
interstitial
The intracellular fluid compartment makes up what percentage of the body's distribution of water?
approx 10%
approx 35%
approx 65%
approx 90%
During normal temperature, our primary water output is from
sweating
urine
respiration
water in feces
During prolonged exercise of hot weather, our primary mode of water output is through
sweating
urine
respiration
water in feces
Which of the following is not one of the 3 main factors in regulating fluid volumes in the body?
regulating fluid output
regulating red cell production
exchanging fluids between compartments in the body
regulating fluid input
If a patient is in metabolic acidosis (uncompensated), they will have
bicarbonate deficit
bicarbonate excess
carbonic acid deficit
carbonic acid excess
This hormone is released from the posterior pituitary and promotes water reabsorption from the kidney tubule back into the blood
(Hint: it assists in reducing fluid output)
norepinephrine
antidiuretic hormone
aldosterone
atrial natriuretic hormone
Which organ is responsible for metabolic imbalances?
lung
kidney
heart
liver
Glucose anabolism is also referred to as
glycogenesis
glycogen
gluconeogenesis
glycogenolysis
Which of the following is not a function of the respiratory system?
assists with acid removal from the body
gas exchange at the alveolar and tissue levels
assists with our sense of hearing
assists with our sense of smell
This hormone is released by the adrenal cortex and increases Na+ reabsorption by the kidney tubules
(Hint: it reduces water output from body)
norepinephrine
antidiuretic hormone
aldosterone
atrial natriuretic hormone
This hormone promotes Na + (and therefore water) loss from the blood to kidney tubules
(Hint: it acts as a diuretic)
norepinephrine
antidiuretic hormone
aldosterone
atrial natriuretic hormone
The fluid imbalance seen most often clinically is
hypocalcemia
hyperkalemia
overhydration
dehydration
Which of the following is not an electrolyte, and therefore will not dissociate in water?
sodium
glucose
chloride
potassium
When capillary blood pressure increases at the arterial side of the interstitial capillary bed, what will result?
decreased fluid exchange at interstitial level
fluid balance between blood and interstitial tissue
increased fluid exchange at interstitial level
no change will occur
Which of the following is not a typical reason for edema in the body?
increase in capillary blood pressure
water intoxication
decrease in concentration of plasma proteins
retention of electroltyes
Sodium (Na+) over 145 mEq/L
(or 145mEq/L <)
hypernatremia
hyperkalemia
hyponatremia
hypercalcemia
Severe and repetitive vomiting can result in
respiratory alkalosis
metabolic alkalosis
metabolic acidosis
respiratory acidosis
Which electrolyte imbalance would likely present with cardiac dysrhythmia and GI (gastrointestinal) motility problems
hyponatremia
hypercalcemia
hypernatremia
hypokalemia
The Chvostek sign, an abnormal spasm of facial muscles, is seen in which electrolyte imbalance?
hyperkalemia
hyponatremia
hypocalcemia
hypokalemia
Which of the following is not a pH control mechanism for the body?
buffer mechanism in blood
GI (gastrointestinal) mechanism
respiratory mechanism
urinary mechanism
What enzyme, located in the RBCs, assists in the formation of carbonic acid (H2CO3)?
carbonic anhydrase
hemoglobin
lactase
lipase
The pH scale ranges from
0 to 12
0 to 14
1 to 15
0-15
A patient in metabolic alkalosis will have
bicarbonate deficit
bicarbonate excess
carbonic acid deficit
carbonic acid excess
The more hydroxide (OH-) ions a substance has, the more _____ it is and the ______ it will be on the pH scale.
basic/ alkaline,
higher
acidic,
higher
basic/alkaline,
lower
acidic, lower
Chemical substances that prevent a sharp change in the pH of a fluid when an acid or base is added to it
capillaries
ions
electrolytes
buffers
The main buffer pair your book discusses is
sodium bicarbonate and carbonic acid
sodium bicarbonate and hydroxide
hydrogen and hydroxide
sodium chloride and carbonic acid
After gas is exchanged in the lungs, the blood, the blood has fewer H+ ions, and therefore is a ______ pH than deoxygenated blood entering pulmonary circulation
lower
bigger
neutral
higher
The term used to describe the effect of an increase in capillary blood pressure, with the result of a transfer of fluid from the blood to the interstitial fluid is called
homeostasis
fluid shift
fluid swing
blood flow
The accumulation of ketone bodies results in a condition that causes the blood to become dangerously acidic
metabolic acidosis
water intoxication
diabetic ketoacidosis
respiratory acidosis
The optimal pH range for human function
7.35-7.45 pH
6.5-9.5 pH
7.0-8.0 pH
5.5-7.5 pH
Normal calcium ranges in the blood
136-145 mEq/L
3.5-5.1 mEq/L
4.2-5.25 mEq/L
7.35-7.45 pH
Alkalosis is a term used to describe arterial blood with a pH of greater than:
7
7.45
8
8.35
Acidic substances in the blood that results from excessive metabolism of fats are called
ketone bodies
ketone ions
ketoacdiosis
ketone nonelectrolytes
Respiratory alkalosis will have
bicarbonate deficit
bicarbonate excess
carbonic acid deficit
carbonic acid excess
A patient with carbonic acid (H2CO3) excess is experiencing
metabolic acidosis
metabolic alkalosis
respiratory acidosis
respiratory alkalosis
A patient in respiratory acidosis will have
bicarbonate deficit
bicarbonate excess
carbonic acid deficit
carbonic acid excess
Normal sodium range in blood
136-145 mEq/L
3.5- 5.1 mEq/L
4.2-5.25 mEq/L
7.35-7.45 pH
Which organ is responsible for bicarbonate imbalances?
lung
kidney
heart
liver
Normal potassium (K+) range in blood
136-145 mEq/L
3.5-5.1 mEq/L
4.2-5.25 mEq/L
7.35-7.45 pH
Exchange of gases at the alveolar level occurs by which transport process?
Osmosis
Dialysis
Diffusion
Filtration
Which of the following structures is not part of the upper respiratory tract?
trachea
larynx
pharynx
nose
What is another name for an upper respiratory infection (URI)?
chest cold
head cold
neck cold
headache
The membrane that lines MOST of the air distribution tubes in the respiratory system is:
stratified squamous epithelium
ciliated cuboidal epithelium
simple columnar epithelium
ciliated pseudostratified epithelium
What tissue type lines the alveoli in the lungs where gas exchange occurs?
stratified squamous epithelium
simple squamous epithelium
ciliated cuboidal epithelium
ciliated pseudostratified epithelium
The _________ is a membrane that lines most of the air distribution tubes in the respiratory system ( It is made up primarily of ciliated pseudostratified epithelium)
lung mucosa
respiratory liquid
respiratory mucosa
ciliary mucosa
The millions of hair-like cilia which function to move inhaled contaminants upward, from the bronchial tree to the pharynx, are collectively called
respiratory elevator
ciliary escalator
ciliary transporter
respiratory transporter
Which of the 4 paranasal sinuses is located most superiorly, at the forehead?
frontal
maxillary
sphenoidal
ethmoidal
Which of the 4 paranasal sinuses is located most laterally?
frontal
maxillary
sphenoidal
ethmoidal
Which of the following organs is not considered part of the lower respiratory tract?
alveoli
bronchus
trachea
larynx
External nares are also known as
eyes
ears
nostrils
tongue
The _______ ducts collect tears from the corner of each eyelid and drain into the nasal cavity
lacrimal
nasal
ethmoid
conchae
Which of these is not part of the pharynx?
nasopharynx
bronchopharynx
oropharynx
laryngopharynx
The 3 shelf-like structures located on each side of the nasal cavity which function to warm and humidify air, are known as
turbinates
conchae
nasal turbinates and/or conchae
no answer is correct
The ________ connect the middle ears to the nasopharynx and permits equalization of pressure within the ear
sphenoid tubes
ethmoid tubes
auditory tubes
nasal tubes
The substance which reduces surface tension in the alveoli and keeps alveoli from collapsing during respiration is known as
mucus
mucosa
surfactant
water
Masses of ________ tissue make up tonsils
skeletal
muscle
nervous
lymphoid
The prime mover of inspiration is
diaphragm
external intercostals
internal intercostas
rectus abdominus
Another term for auditory tubes is:
eustachian tubes
equestrian tubes
hearing tubes
nasal tubes
Movement by the muscular components of the digestive tube, including processes of mechanical digestion (examples are peristalsis and segmentation)
ingestion
digestion
motility
elimination
The pharyngeal tonsils are also called _______ when swollen
adenoids
turbinates
polyps
conchae
Excessive alcohol consumption, use of chewing tobacco, and eating heavily preserved foods increase the risk of
enteritis
stomach cancer
esophageal varices
ascites
The voice box is also called the
pharynx
larynx
trachea
esophagus
Regulation of voluntary swallowing occurs in the cerebrum. Where does regulation of involuntary or impulse swallowing occur?
cerebellum and pons
cerebellum and medulla
pons and medulla
pons and midbrain
'Hay fever' and 'runny nose' are two examples of
rhinitis
pharyngitis
laryngitis
epiglottitis
The more common name of epistaxis is
difficulty breathing
sore throat
mouth ulcer
nose bleed
Which of the following lower respiratory structures does not contain cartilage rings?
trachea
primary bronchi
secondary bronchi
bronchioles
The exchange of gases (O2 and CO2) between a living organism and its environment is
pulmonary ventilation
respiration
perfusion
hypoxia
The single layer of simple epithelial cells found in the alveolus which function in gas exchange are called
type A cells
type B cells
type 1 cells
type 2 cells
The neurologic control center of breathing RATE is located where?
cortex
midbrain
pons
medulla
The space between the vocal cords that changes shape when we speak is the
glottis
larynx
epistaxis
diaphragm
Surfactant, located in the alveoli, is made by what type of cell?
type A cell
type B cell
type 1 cell
type 2 cell
The space, or barrier, located between the blood in the capillaries and the gas in the alveolus is called the
lung membrane
respiratory membrane
pleural membrane
breathing membrane
The majority of carbon dioxide is transported in the blood in what form?
dissolved carbon dioxide
bicarbonate
carbamino-hemoglobin
carbonic acid
insufficient oxygen supply to the body's tissues is known as
asthma
atelectasis
hypoxia
pneumonia
A life threatening condition caused by the Haemophilus influenza type B (hib) infection
rhinitis
pharyngitis
laryngitis
epiglottitis
Hemoglobin molecules are large proteins that contain how many iron-containing heme components?
1
2
4
5
Alternating contraction of fibers of the muscularis within a single region of the GI tract that produces a 'back-and-forth' movement is called:
segmentation
peristalsis
bolus
ingestion
Excessive mucus production and air tubes narrowing due to swollen bronchi and bronchioles are signs of
chronic bronchitis
emphysema
asthma
atelectasis
cessation of respirations is known as
eupnea
hypoventilation
Cheyne-stokes respiration
apnea
The volume that is moved into and out of the respiratory tract during a normal respiratory cycle is called
vital capacity
residual volume
inspiratory reserve volume
tidal volume
During exercise as we are getting closer to our vital capacity, our residual volume will
stay the same
expand / increase
diminish / decrease
lengthen
Breathing (moving air into the lungs) is also referred to as
pulmonary ventilation
pulmonary diffusion
cellular respiration
internal respiration
The maximum volume that can be moved into the respiratory tract after a normal inspiration is called
vital capacity
inspiratory reserve volume
expiratory reserve volume
tidal volume
A rhythmic, wavelike contraction of the gut wall caused by repeating waves of ring-like contraction along the circular muscle of the muscularis layer is called:
segmentation
peristalsis
serosa
bolus
Eupnea is the term for
normal breathing
rapid, deep breathing
slow, shallow respirations
cessation of respirations
What is a common symptom of hiatal hernia?
gastric ulcer
gastroesophageal reflux disease
Barrett esophagus
dental caries
The volume remaining in the respiratory tract after maximal expiration is known as
residual volume
vital capacity
expiratory reserve volume
tidal volume
During exercise as we move closer to our vital capacity, our inspiratory reserve volume will _________
stay the same
expand / increase
diminish / decrease
lengthen
The chemoreceptors and baroreceptors that are sensitive to increases in blood carbon dioxide levels and decreases in oxygen levels are located where?
carotid arteries and brachial arteries
carotid arteries and aorta
aorta and femoral arteries
brachial and femoral arteries
The largest amount of air we can breathe out in one expiration is known as
tidal volume
expiratory reserve volume
vital capacity
reserve volume
Gas exchange at the tissue level is called
superior inspiration
inferior inspiration
internal inspiration
external inspiration
Which nerves stimulate the diaphragm to contract?
spinal accessory
sciatic
phrenic
vagus
Which obstructive pulmonary disorder is characterized by recurrent spasms of the smooth muscle in the walls of the bronchioles?
bronchitis
emphysema
asthma
atelectasis
Enlargement and destruction of the alveolar walls progressing to alveoli that fuse into large air spaces occurs in
bronchitis
emphysema
asthma
atelectasis
The lungs ability to stretch is referred to as lung
homeostasis
compensation
compliance
fusion
Which pulmonary disorder would most likely have impaired lung compliance?
COPD
asthma
cystic fibrosis
hemothorax
Collapse or incomplete expansion of the lung is known as
pleurisy
hemothorax
pneumonia
atelectasis
Which of the following is not a type of pneumonia that your book discusses?
lobar pneumonia
aspiration pneumonia
respiratory pneumonia
broncho-pneumonia
When we breathe in (perform inspiration) our diaphragm will _________ and move ________ in the thoracic cavity
contract, inferiorly
contract, superiorly
relax, inferiorly
relax, superiorly
inflammation of the parietal pleura, characterized by difficulty breathing and stabbing pain is referred to as pleuritis or
myocarditis
pneumothorax
pleurisy
pneumonia
A highly contagious disease transmitted through inhalation or swallowing droplets contaminated with myobacterium tuberculosis is
pneumonia
tuberculosis
bronchitis
pleurisy
Which primary mechanism of the digestive tract coordinates the digestive activity (motility, secretion, etc)?
ingestion
absorption
elimination
regulation
The serosa is the outer most covering of the digestive tube, and in the abdominal cavity, it is also called
greater omentum
mesentery
visceral peritoneum
parietal peritoneum
What structure prevents food and liquid from entering the nasal cavities?
frendulum
uvula
epiglottis
papillae
What structure of the tooth lines each tooth socket and anchors the tooth to bone?
dentin
root canal
crown
periodontal membrane
Which of our salivary glands is the largest?
(Hint: It secretes a solution containing NaHCO3 that helps neutralize bacterial acids)
parotid gland
submandibular gland
sublingual gland
thymus gland
The swallowing of a mass of chewed food is called
ingestion
deglutition
bolus
motility
What type of pathogenic organism is most often the cause of gastric and duodenal ulcers?
virus
bacteria
prion
fungus
Which type of medication is most likely to cause a gastric or duodenal ulcer?
acetaminophen
beta blocker
ibuprofen
bismuth subsalicylate
The inner lining of the small intestines which is made up of thousands of villi (and microvilli) is called __________
lacteals
mesentery
plicae
rugae
Lymphatic capillaries embedded in the villi of the small intestines that function to absorb fats are called ___________
lacteals
mesentery
plicae
rugae
What disorder involves a deficit of digestive enzymes or bile salts?
gastroenteritis
malabsorption syndrome
maldigestion
cholelithiasis
A group of symptoms resulting from the failure of the small intestines to absorb nutrients properly is ________?
gastroenteritis
malabsorption syndrome
maldigestion
cholelithiasis
This liver disease causes inflammation and is viral. It is associated with transfusion of contaminated blood or IV drug use. There is no vaccine.
cirrhosis
hepatitis A
hepatitis B
hepatitis C
Inflammation of the large intestines is called:
colitis
enteritis
hepatitis
pancreatitis
