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WorksheetsA&P II - Lecture exam #3
Total questions: 15
Worksheet time: 8mins
The increase in ventilation in response to metabolic needs is called __________.
hypernea
hyperventilation
hypocapnia
Hering-Breuer reflex
Emphysema is distinguished by permanent enlargement of the alveoli and loss of lung elasticity.
True
False
__________, or lung collapse, is a homeostatic imbalance that occurs when a bronchiole becomes plugged.
Pleurisy
Atelectasis
Hypoxia
Pneumothorax
Which of the following is NOT involved in respiration?
external ventilation
pulmonary ventilation
internal respiration
external respiration
Hemoglobin has a tendency to release oxygen where __________.
partial pressures of carbon dioxide are lower
pH is more alkaline
temperature is lower
partial pressures of oxygen are higher
pH is more acidic
During the intestinal phase of gastric regulation, __________.
the gastroenteric reflex reduces stomach activity
the stomach is initially stimulated and later inhibited
secretin causes more HCl release
hormones reduce chief cell activity
the enterogastric reflex is turned off
What intestinal structure(s) consist(s) of protective aggregated nodules of lymphocytes and macrophages?
the muscularis externa
the muscularis mucosae
the intestinal crypts
Peyer’s patches
the gastric pits
Which of the following is a characteristic of the large intestine?
It is the site for acid neutralization.
It has villi.
It contains epiploic appendages.
It provides no absorptive function.
It is longer than the small intestine.
Which regulatory chemical stimulates gastric gland activity and motility?
histamine
gastrin
CCK
vasoactive peptide
secretin
What substances from different organs would mix together at the hepatopancreatic ampulla?
bile and pancreatic enzymes
brush border enzymes and intrinsic factor
HCl and pepsin
secretin and CCK
The site of electron transport is the __________.
Golgi body
mitochondrial inner membrane (cristae)
mitochondrial matrix
mitochondrial outer membrane
cytoplasm
Which coenzyme is reduced in both glycolysis and the Krebs cycle?
vitamin A
NAD
FAD
manganese
coenzyme A
Which of the following is the amount of energy the body needs in order to perform only the most essential activities and is often referred to as the “energy cost of living”?
MR
TMR
BMI
BMR
Essential nutrients refer to nutrients that are __________.
synthesized every day in the body
only found in grains
limited in synthesis and therefore must be consumed
stored in the body for times of starvation
The role of __________ is to transport excessive cholesterol from peripheral tissue to the liver, where it is broken down and becomes part of bile.
chylomicrons
very low-density lipoproteins
high-density lipoproteins
low-density lipoproteins
