1) which of the following could describe the function of 11 beta-hydroxysteroid
dehydrogenase?
a) an enzyme located in renal tubules that acts on cortisol .
b) it converts cortisol to a less active form.
c) it aids in preventing crossover effects from cortisol.
d) it converts cortisol to a form with a lower specificity for mineralocorticoid receptors
there.
e) all of these answers are correct.
2) the intensity of a stimulus can be determined within the central nervous system by
a) population coding only.
b) labeled line coding only.
c) frequency coding only.
d) population coding and/or frequency coding.
e) labeled line coding and/or frequency coding.
3) which of the following consists of a network of intracellular membranes with
attached ribosomes?
a) rough endoplasmic reticulum
b) smooth endoplasmic reticulum
c) mitochondria
d) nucleoli
e) golgi apparatus
4) sensory receptors that respond when body temperature is below normal are called
a) warm receptors.
b) photoreceptors.
c) cold receptors.
d) all receptors respond to temperatures above and below body temperature (no unique
name).
5) match the type of signal to its description (answers may be used more than once).
a. graded potential
b. action potential
c. both
can involve ion channels regulated by chemicals
6) match the type of reflex to its description.
a. somatic
b. autonomic
c. spinal
d. cranial
e. innate
f. acquired
g. polysynaptic
our experiences tell us how to behave; bracing yourself in anticipation would be an
example
7) the myenteric plexus is
a) a layer of circular smooth muscle.
b) a layer of longitudinal smooth muscle.
c) a network of neurons.
d) the mucus secreting layer of the digestive tract.
e) primarily composed of connective tissue.
8) the purpose of having valves in the cardiovascular system is to
a) provide sounds so that heart health can be monitored.
b) ensure that blood flows in one direction.
c) prevent blood from flowing too quickly.
d) regulate blood pressure.
e) provide the force for circulation.
9) the control center for cellular operations is the
a) nucleus.
b) mitochondria.
c) golgi complex.
d) endoplasmic reticulum.
e) ribosomes.
10) fibroblast
a. cartilage
b. destroys bone matrix
c. loose connective tissue
d. fat
e. maintains bone matrix
11) during exercise, sweating helps lose heat from the body through the process of
a) radiation.
b) conduction.
c) convection.
d) evaporation.
e) concentration.
12) match the disease with the description.
a. addison’s disease
b. cushing’s disease
c. graves’ disease
d. paget’s disease
associated with overactive osteoclasts
13) after processing in the stomach, the gastric contents are referred to as ________.
14) what are the characteristics that determine gender (consider genetic, anatomical,
hormonal, and other factors)? is it always the case that genetic, psychological, and
physical gender cues indicate the same gender? explain your answer, citing specific
examples of conditions in which there is gender conflict.
15) fred weighs 100 kg. assume his total blood volume is 7%, his heart pumps his total
blood volume within 90 seconds, and his renal blood flow is 20% of his cardiac output.
calculate the volume of blood that flows through fred’s kidneys each minute.
16) hormones called ________ are involved in regulation of white blood cell
populations.
17) energy released by electrons moving through the electron transport system is stored
as ________ by h+ ions concentrated in the ________.