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BIO 160 Digestive, Urinary, Reproduct. sysm & mixed questns.

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Material passing through the digestive tract travels through the ___.

a)

alimentary canal and accessory organs

b)

alimentary canal

c)

accessory organs

2.

Choose the correct digestive function that matches this description.

“Small molecules are transported across the intestinal wall and enter the bloodstream or lacteals”

a)

absorption

b)

ingestion

c)

mechanical digestion

d)

chemical digestion

3.

Choose the correct digestive function that matches this description.

“Eating; putting food into the mouth”

a)

absorption

b)

ingestion

c)

mechanical digestion

d)

chemical digestion

4.

Choose the correct digestive function that matches this description.

“Material is physically broken apart; includes chewing, stomach churning, and segmentation”

a)

absorption

b)

ingestion

c)

mechanical digestion

d)

chemical digestion

5.

Choose the correct digestive function that matches this description.

“Large molecules are broken down into smaller molecules with the help of enzymes.”

a)

absorption

b)

ingestion

c)

mechanical digestion

d)

chemical digestion

6.

The majority of chemical digestion occurs in which structure?

a)

mouth

b)

stomach

c)

small intestine

d)

large intestine

7.

Which of the following is NOT secreted in the stomach?

a)

gastrin

b)

protease

c)

hydrochloric acid

d)

bicarbonate

8.

The majority of nutrient and water absorption occurs in what structure?

a)

large intestine

b)

stomach

c)

small intestine

d)

esophagus

9.

What structure stores bile, but does not produce it?

a)

gallbladder

b)

liver

c)

parietal cells

10.

Which enzyme breaks down lipids?

a)

proteases

b)

lipases

c)

nucleases

d)

amylase

11.

The pancreas, gallbladder, and liver all deliver secretions to what segment of the alimentary canal?

a)

cecum

b)

ileum

c)

duodenum

d)

esophagus

12.

What is the structural and functional unit of the kidney?

a)

renal pyramid

b)

nephron

c)

urinary bladder

d)

renal column

13.

Which of the following substances would be reabsorbed along the renal tubule? Mark all that apply.

a)

Water

b)

Uric acid

c)

Ammonia

d)

Glucose

14.

Waste products, such as urea and uric acid, are produced as a byproduct of ___.

a)

Homeostasis

b)

gas transport

c)

digestion

d)

metabolism

15.

What type of muscle tissue is located in the walls of the ureters, urinary bladder, and urethra?

a)

transitional muscle

b)

cardiac muscle

c)

smooth muscle

d)

skeletal muscle

16.

Renal pyramids are regions of the ___.

a)

Nephron

b)

Medulla

c)

Cortex

d)

Glomerulus

17.

If body fluids become too acidic, the kidneys will excrete ___ hydrogen ions (H+) in the urine.

a)

More

b)

Fewer

18.

Blood enters the glomerulus from what blood vessel?

a)

peritubular capillaries

b)

afferent arteriole

c)

vasa recta

d)

efferent arteriole

19.

Filtrate moves through the structures of the renal tubule in what order?

a)

nephron loop - glomerular capsule - distal convoluted tubule - proximal convoluted tubule

b)

glomerular capsule - proximal convoluted tubule - nephron loop - distal convoluted tubule

c)

glomerular capsule - distal convoluted tubule - proximal convoluted tubule - nephron loop

d)

glomerular capsule - distal convoluted tubule - nephron loop - proximal convoluted tubule

20.

Veins draining blood from the digestive tract transport blood first to what organ?

a)

Brain

b)

Heart

c)

Pancreas

d)

Liver

21.

Testosterone is produced by cells in what structure?

a)

seminal vesicles

b)

testes

c)

glans penis

d)

bulbourethral glands

22.

The start of menstruation in girls is known as ___.

a)

Menarche

b)

Puberty

c)

Menopause

d)

Oogenesis

23.

An oocyte, developing in an ovary, is surrounded by supporting cells. All together, this structure is known as a(n) ___.

a)

Ovum

b)

Follicle

c)

Ampulla

d)

Egg

24.

A uterine tube connects the uterus to what other structure?

a)

Ovary

b)

Cervix

c)

Vulva

d)

Vagina

25.

The uterine contractions leading up to childbirth are controlled by a negative feedback loop.

a)

True

b)

False

26.

What hormone is detected by home pregnancy tests?

a)

Progesterone

b)

luteinizing hormone

c)

estrogen

d)

human chorionic gonadotropin

27.

A large surge in the concentration of what hormone causes ovulation to occur?

a)

Estrogen

b)

Progesterone

c)

LH

d)

GnRH

28.

Which structure, associated with a sperm, is involved in breaking through the external membranes of the ovum?

a)

Flagella

b)

Midpiece

c)

Acrosome

d)

Head

29.

What hormone is primarily responsible for uterine contractions leading to parturition?

a)

Progesterone

b)

Prolactin

c)

Estrogen

d)

Oxytocin

30.

What coordinates the events of the ovarian cycle with the events of the uterine cycle?

a)

sexual intercourse

b)

nerves

c)

gametes

d)

hormones

31.

If a fertilized egg implants, causing a pregnancy to occur, what layer of the uterus does the egg implant into?

a)

Endometrium

b)

Perimetrium

c)

Myometrium

32.

Which enzyme breaks down starch?

a)

proteases

b)

lipases

c)

nucleases

d)

amylase

33.

Which structures make up the "brush border" of the small intestine?

a)

Villi

b)

Rugae

c)

circular folds

d)

microvilli

34.

Intestinal juice is acidic.

a)

True

b)

False

35.

What substance is involved in emulsification?

a)

Urine

b)

Enzymes

c)

Bile

d)

Filtrate

36.

Material being transported through the alimentary canal would pass through sphincters in what order?

a)

lower esophageal - upper esophageal - ileocecal - pyloric – anal

b)

lower esophageal - upper esophageal - pyloric - ileocecal – anal

c)

upper esophageal - lower esophageal - pyloric - ileocecal – anal

d)

upper esophageal - lower esophageal - ileocecal - pyloric – anal

37.

The SRY gene is located on which chromosome?

a)

Y chromosome

b)

X chromosome

38.

If someone is lactose intolerant, will they be able to break down the proteins found in milk?

a)

Yes, because proteins are broken down by a different enzyme

b)

No, because lactase is needed to break down proteins

c)

Yes, because proteins do not need enzymes to be broken down

d)

No, because lactose intolerant people cannot make any enzymes

39.

DNA, RNA, and ATP are all examples of ___.

a)

Proteins

b)

Carbohydrates

c)

Lipids

d)

nucleic acids

40.

What element is needed to make hemoglobin?

a)

Iodine

b)

Iron

c)

Sodium

d)

Calcium

41.

An abnormal heart sound could indicate a potential problem with which structure(s) in the heart?

a)

cardiac blood vessels

b)

blood vessels attached to the heart

c)

a blood disorder

d)

heart valves

42.

Systolic pressure corresponds to the pressure exerted by blood within arteries during ___.

a)

ventricular relaxation

b)

ventricular contraction

c)

atrial relaxation

d)

atrial contraction

43.

What is the primary component that makes up cell membranes?

a)

Phospholipids

b)

Cholesterol

c)

Proteins

d)

Carbohydrates

44.

Which type of transport requires ATP?

a)

Active

b)

Passive

45.

Which form(s) of cellular transport involve a vesicle? (Mark all that apply)

a)

facilitated diffusion

b)

endocytosis

c)

phagocytosis

d)

primary active transport

e)

exocytosis

46.

When a person becomes dehydrated, their body fluids become hypertonic. How will this affect cells in the person's body?

a)

the cells will not be affected

b)

the cells will gain water and swell

c)

the cells will lose water and shrivel

47.

Which type of tissue is found on the surface of the skin?

a)

muscle tissue

b)

connective tissue

c)

nervous tissue

d)

epithelial tissue

48.

Fingernails are primarily made up of ___.

a)

elastin

b)

collagen

c)

melanin

d)

keratin

49.

What is the most serious degree of burn?

a)

fourth degree

b)

second degree

c)

first degree

d)

third degree

50.

A muscle that helps the prime mover produce a movement is called a ___.

a)

fixator

b)

antagonist

c)

agonist

d)

synergist