1) which of the following is not a role of calcium in the body?
a. it participates in muscle contraction.
b. it isa significant component of nucleic acids.
c. they serve as second messengers.
d. it activates exocytosis.
e. it isimportant in blood clotting.
2) which of the following branches of a spinal nerve has the somas of only sensory
neurons?
a. posterior (dorsal) root
b. anterior (ventral) root
c. posterior ramus
d. anterior ramus
e. meningeal branch
3) which of the following is true of the female sexual response?
a. women do not have a refractory period and may quickly experience additional
orgasms.
b. the engorged clitoris can swing upward away from the body like the penis.
c. the vagina has a high concentration of sensory nerve endings.
d. the uterus tilts forward over the urinary bladder during excitement.
4) pepsinogen is produced by __________ and is activated by __________, which is
secreted by __________.
a. chief cells; carbonic anhydrase (cah); parietal cells
b. chief cells; hydrochloric acid (hcl); parietal cells
c. parietal cells; hydrochloric acid (hcl); chief cells
d. parietal cells; carbonic anhydrase (cah); chief cells
e. enteroendocrine cells; carbonic anhydrase (cah); parietal cells
5) which of the followingblood vessels receives blood directly from the right ventricle?
a. pulmonary trunk
b. ascending aorta
c. superior vena cava
d. inferior vena cava
e. right pulmonary vein
6) after puberty, which epithelium lines the vagina?
a. simple squamous epithelium
b. stratified squamous epithelium
c. transitional epithelium
d. simple columnar epithelium
e. simple cuboidal epithelium
7) complement c3b protein coats bacteria and stimulates phagocytosis by __________
duringa process called __________.
a. lymphocytes and monocytes; opsonization
b. neutrophils and macrophages; cytolysis
c. mast cells and basophils; opsonization
d. mast cells and basophils; cytolysis
e. neutrophils and macrophages; opsonization
8) in which structure does fertilization usually occur?
a.urethra
b.uterus
c.ovary
d.urinary bladder
e.uterine tube
9) an individual has type b, rh-positive blood. the individual has __________ antigen(s)
and can produce anti-__________ antibodies.
a. a and d; b
b. b and d; a
c. b; a and d
d. a; b and d
e. d; a and b
10) which of the following effects on a gland can be caused by a tumor?
a. hypersecretion only
b. hyposecretion only
c. hyposecretion and hypersecretion
11) which of the following isnot considered an optic component of the eye?
a. aqueous humor
b. vitreous body
c. lens
d. retina
e. cornea
12) synthesized by the combined action of the skin, kidneys, and liver, _________ is
important to the deposition of bone.
a. growth hormone
b. testosterone
c. estrogen
d. calcitonin
e. calcitriol
13) an _______________ is composed of two or more tissues types, whereas
____________ are microscopic structures in a cell.
a. organ system; organs
b. organ system; organelles
c. organ; organelles
d. organ; molecules
e. organelle;molecules
14) stroke volume is increased by __________.
a. high arterial blood pressure
b. negative inotropic agents
c. increased venous return
d. increased afterload
e. dehydration
15) __________ epithelium is associated with rapid transport of substances through a
membrane, whereas __________ epithelium is associated with resistance to abrasion.
a. simple columnar; transitional
b. simple squamous; stratified squamous
c. simple cuboidal; pseudostratified
d. pseudostratified; simple squamous
e. pseudostratified; simple cuboidal
16) which structure forms the floor and part of the walls of the third ventricle?
a. thalamus
b. hypothalamus
c. epithalamus
d. pituitary gland
e. midbrain