Anatomy and Physiology

Where are striated muscles located?
A. Stomah wall and Uterus
B. Ciliary body of the eye
C. Heart and skeletal muscles
D. Urinary bladder

The pressure in the systemic arteries during ventricular contraction is
A. Diastolic Blood Pressure
B. Osmotic Pressure
C. Systolic blood pressure
D. Low pressure

The difference between the systolic and diastolic pressures of the expanding and contracting arterial walls is the
A. Stroke volume
B. End-systolic volume
C. Pulse
D. Osmotic pressure

Input from what system causes vasoconstriction during exercise and therefore an increase in blood pressure?
A. Sympathetic nervous system
B. Parasympathetic nervouse system
C. Central nervous system
D. Peripheral nervous system

Cardiac muscle is
A. Nonstriated involuntary
B. Striated Involuntary
C. Nonstriated involuntary
D. Striated voluntary

In what order does the impulse for depolarization travel through the heart?
A. AV node, SA node, bundle of HIS, Purkinje fibers
B. SA node, AV node, Purkinje fibers, bundle of HIS
C. SA node, AV node, Purkinje fibers, bundle of HIS
D. AV node, SA node, Purkinje fibers, bundle of HIS

The wav eon an electrocardiogram that is associated with the atrial wall depolarization is the
A. QRS complex
B. PR interval
C. T wave
D. P wave

The SA node is located in the wall of which chamber
A. right ventricle
B. right atrium
C. left atrium
D. left ventricle

The muscular sphincter located between the stomach and duodenum
A. cardia
B. pylorus
C. rugae
D. chyme

The type of cell responsible for the transmission of impulse through the nervous system is the
A. neuroglia
B. neuron
C. schwann
D. oligodendrocyte

What system is anatomicall composed of the brain and spinal cord.
a. central nervous system
b. peripheral nervous system
c. parasympathetic nervous system
d. sympathetic nervous system

Functions that an animal does not have to consciously control, such as peristalsis in the intestine, are influenced by the
a. somatic nervous system
b. central nervous system
c. peripheral nervous system
d. autonomic nervous system

The cranial nerves and the spinal nerves are anatomicall part of what system
a. central nervous system
b. peripheral nervous system
c. parasympathetic nervous system
d. sympathetic nervous system

sensory nerves are considered
a. efferent motor nerves
b. motor nerves
c. efferent nerves
d. afferent nerves

An imbalance of what minerals can affect nerve function
a. phsosphorus and magnesium
b. sodium and potassium
c. manganese and chromium
d. iron and zinc

when a stimulus is strong enough to cause complete depolarization, it has reached
a. threshold
b. repolarization
c. refactory period
d. action potential

what happens within the neurons that allows local anesthetics to be effective
a. potassium gates open
b. the charge within the cell becomes positive
c. the charge within the cell becomes negative
d. sodium channels become blocked

smooth muscle can be found in the
a. heart
b. stomach
c. pelvic limb
d. diaphragm

which muscle cells have single nuclei
a. skeletal and cardiac
b. skeletal and smooth
c. smooth and cardiac
d. skeletal only

cattle and swine display what type of estrous cycle
a. polyestrous
b. seasonally polyestrous
c. diestrous
d. monoestrous

dogs demonstrate what type of estrous cycle
a. polyestrous
b. seasonally polyestrous
c. diestrous
d. monoestrous

What species is an induced ovulator
a. bovine
b. equine
c. canine
d. feline

in what stafe of the estrous cycle does the corpus luteum develop
a. proestrus
b. estrus
c. metestrus
d. diestrus

the hormone produced by a developing ovarian follicle is
a. estrogen
b. progesterone
c. prolactin
d. oxytocin

What hormone contracts the female reproductive tract to help move spermatozoa into the oviducts
a. estrogen
b. progesterone
c. prolactin
d. oxytocin

To achieve a normal pregnancy, the blastocyst attaches to what structure
a. endometrium
b.