GMS6440 General Medical Physiology Exam Graded A+
Question : Cardiac muscle contraction is considered to be
what type of movement?
CORRECT ANSWER: involuntarily
Question : What is the major muscle type in the GI tract?
CORRECT ANSWER : smooth muscle
Question : T/F: In our body, approximately 8 liters of intestinal juices are secreted into the GI tract daily, but only 100 mL of water is secreted into the feces
CORRECT ANSWER : true
Question : What is the normal movement of blood flow in the
heart?
CORRECT ANSWER : right atrium > right ventricle > lung
> left atrium > left ventricle
Question : How many lobes does each human lung have?
CORRECT ANSWER : 2 in the left, 3 in the right
Question : Where does gas exchange occur in the lungs?
CORRECT ANSWER : mostly in the alveoli
Question : What are the three main parts of the urinary
system?
CORRECT ANSWER : two kidneys, two ureters, one
bladder
Question : In which order do filtered wastes travel in the
glomerulus?
CORRECT ANSWER : Bowman's capsule - proximal tube -
loop of Henle - distal tubule - collecting duct
Question : Homeostasis is maintained by which two systems?
CORRECT ANSWER : Both endocrine and nervous systems
play important roles in controlling the activities of many organ systems to maintain homeostasis
Question : What determines the specificity of hormone action
in the target cells?
CORRECT ANSWER : receptors
Question : What insulates action potential?
CORRECT ANSWER : Myelin sheath
Question : How does action potential propagate faster?
CORRECT ANSWER : action potential propagates faster by
skipping myelinated axon and jumping from nodes of Ranvier to another node.
Question : What chemical component of the plasma
membrane prevent ions from readily and freely moving across the membrane?
CORRECT ANSWER : Lipids (phospholipids)
Question : Where is the concentration of [K+] greater?
CORRECT ANSWER : cytoplasm
Question : Movement of water is ___ across a cell's plasma
membrane.
CORRECT ANSWER : passive through a channel
Question : Concentration of [Na+] is greater in the:
CORRECT ANSWER : extracellular fluid
Question : For a neutrally charged molecule, active transport
means that the molecules move across a membrane:
CORRECT ANSWER : from low to high concentration
Question : What molecule is the source of energy fro primary
transport to occur?
CORRECT ANSWER : ATP (adenosine triphosphate)
Question : T/F: There is only one type of channel in cell membranes.