1) during exercise, arterioles to the skeletal muscles __________.
a. dilate in response to increased muscle metabolites
b. constrict in response to increased muscle metabolites
c. dilate in response to increased o2 and decreased co2
d. constrict in response to increased o2 and decreased co2
2) what type of hair is present prenatally and usually replaced by birth?
a. lunule
b. peach fuzz
c. terminal hair
d. vellus
e. lanugo
3) the term _____________ refers to a membrane that allows some things to pass
through it, but not others.
a. selectively permeable
b. glycocalyx
c. phospholipid bilayer
d. specificity
e. carrier-mediated
4) the secretory product of a gland is produced by its parenchyma, not its stroma.
5) hypertension is commonly considered to be a chronic resting blood pressure higher
than __________.
a. 180/90
b. 130/60
c. 120/75
d. 140/90
e. 200/90
6) which of the following was an adaptation thatevolved in connection with human
upright walking?
a. hair
b. fully opposable thumbs
c. stereoscopic vision
d. color vision
e. spinal and pelvic anatomy
7) if a cell has 1 adrenergic receptors, it is sensitive to __________.
a. acetylcholine (ach)
b. norepinephrine (ne)
c. adrenaline
d. alpha adrenaline
e. nicotine
8) which of the following organelles sorts, cuts, splices, and packages newly formed
proteins into membrane-bound vesicles?
a. smooth er
b. rough er
c. golgi complex
d. mitochondrion
e. nucleolus
9) nerve fibers areinsulated from one another by __________.
a. perineurium
b. endoneurium
c. fascicles
d. epineurium
e. blood vessels
10) which cutaneous glands are concerned with cooling the body?
a. ceruminous glands
b. sebaceous glands
c. merocrine glands
d. apocrine glands
e. exothermic glands
11) radial (lateral) and ulnar (medial) collateral ligaments restrict side-to-side
movements of the __________ joint.
a. shoulder
b. elbow
c. wrist
d. hip
e. knee
12) aspirin and ibuprofen block the __________.
a. release of arachidonic acid from the plasma membrane
b. action of phospholipase a1
c. action of phospholipase a2
d. action of lipoxygenase
e. action of cyclooxygenase
13) the initial response to stress is called the_________ and is mediated mainly by
__________.
a.resistance stage; cortisol
b.resistance stage; aldosterone and cortisol
c.alarm reaction; norepinephrine and epinephrine
d.alarm reaction; cortisol
e.exhaustion stage; norepinephrine and epinephrine
14) during the follicular phase, granulosa cells secrete __________, which stimulates
secretion of __________.
a. estradiol; lh
b. estradiol; fsh
c. estradiol; gnrh
d. progesterone; fsh
e. progesterone; lh