I'm in a Cell
The most important active transport pump in the plasma membrane of cells is the sodium-potassium pump that uses:
a. ATP to remove excess sodium ions from the cell while bringing potassium ions into the cell.
b. sodium ions and potassium ions to create the osmotic pressure needed to move water across the plasma membrane.
c. simple diffusion to exchange sodium ions and potassium ions across the plasma membrane.
d. ATP to bring sodium ions into the cell while moving excess potassium from the cell.
a. The sodium-potassium pump that uses ATP to remove excess sodium ions from the cell while bringing potassium ions into the cell.
Which of the following is NOT a homeostatic contribution of skin?
a. provide sensory input to the brain.
b. help activate vitamin B
c. Thermoregulation
d. help provide calcium ions needed for muscle contraction.
e. help activate vitamin D
b. help activate vitamin B
Decreased blood pressure would be an example of a(n) ___________________________ response to massage.
a. peripheral nervous system
b. autonomic NS - parasympathetic division
c. autonomic NS - sympathetic division
d. central nervous system
b. autonomic NS - parasympathetic division
The plasma membrane of a muscle fibre is the __________.
Which of the following is NOT an indication for heat therapy?
a. Non-inflammatory muscle tension
b. Trigger points
c. Delayed onset muscle soreness
d. Soft tissue contracture
e. Limited joint mobility
f. all of the above are appropriate
f. all of the above are appropriate
The difference in concentration of a specific chemical , like Na+, on the inside and outside of a plasma is referred to as a(n):
a. concentration gradient.
b. biological capacitance.
c. membrane potential.
d. electrochemical potential.
e. electrical gradient.
a. concentration gradient
Besides cuboidal-shaped keratinocytes, this layer of epidermis also has melanocytes and Merkel cells scattered within it.
a. Stratum spinosum
b. Stratum granulosum
c. Stratum basale
d. Stratum corneum
e. Stratum lucidum
c. Stratum basale
During massage, local hyperemia occurs in the area treated as a result of vasoconstriction followed by vasodilation. The term for this reflex effect is:
a. Neurogenic reflex
b. Vasomotor reflex
c. Hyperemic reflex
d. Musculoskeletal reflex
b. Vasomotor reflex
For a muscle contraction to occur, calcium must bind to:
a) actin
b) troponin
c) tropomyosin
d) myosin
e) titin
b) troponin
What physiological response is defined as initial vasoconstriction followed by vasodilation from an application of cold?
the Hunting Response
The plasma membrane of a cell is a __________.
a. None of these are correct.
b. barrier
c. selective membrane
d. lipid bilayer
e. all of these choices are correct
e. all of these choices are correct
Which of the following is classified as loose connective tissue?
a. blood
b. areolar connective tissue
c. hyaline cartilage
d. elastic connective tissue
e. spongy bone
b. areolar connective tissue
The small gap that separates the 2 cells of the neuromuscular junction is called the:
synaptic cleft
Area in the sarcomere where only thin filaments are present but thick filaments are not.
H Zone
When applying a contrast hydrotherapy treatment, if cold is applied for 30 seconds, how long should hot be applied in the cycle?
90 seconds (3:1 ratio heat:cold, ending with cold)
The three main components of the lipid bilayer portion of a plasma membrane are:
a. proteins, cholesterol, and fatty acids.
b. phospholipids, cholesterol, and proteins
c. cholesterol, triglycerides, and glycolipids.
d. phospholipids, glycoproteins, and water.
e. phospholipids, cholesterol, and glycolipids.
e. phospholipids, cholesterol, and glycolipids.
The extracellular matrix in blood tissue is the:
a. Albumin
b. Red Blood Cells
c. White Blood Cells
d. Plasma
e. Platelets
d. Plasma
The synaptic end bulbs of somatic motor neurons contain synaptic vesicles filled with the neurotransmitter __________.
Acetylcholine (ACh)
What is the name for the key force-generating step performed by myosin in the sarcomere?
Power Stroke
What is Nail Bed Test assessing for?
Circulatory impairment (colouration of the nail bed after compression)
"Goose bumps" are caused by:
a. action of arrector pili muscles.
b. secretions from the sudoriferous glands.
c. contraction of dermal papillae
d. stimulation of hair root plexus
e. secretions from the sebaceous gland
a. action of arrector pili muscles.
True or False: Troponin covers myosin binding sites when the muscle is considered relaxed.
False (it's tropomyosin)
Inflammation of the synovial-fluid filled sac (whose function is to reduce friction between moving parts at a joint) is known as what condition?
HINT: Combine two Classical root words for 'sac' and the suffix meaning 'inflammation'.
BURSITIS
bursa + -itis