Physiology

Question 1

The main functions of epithelium tissue are…
a )Protection, absorption, filtration, excretion, secretion and sensory reception
b) Protection, scaffolding, absorption, excretion, secretion and sensory reception
c) Absorption, filtration, excretion, secretion, and sensory reception
d) Absorption, scaffolding, excretion, production, lubricant and filtration

Answer 1

a )Protection, absorption, filtration, excretion, secretion and sensory reception

Question 2

Skeletal Muscle is

a) striated, many mitochondria and involuntary
b) non-striated, many mitochondria and voluntary
c) striated, many mitochondria and voluntary
d) non-striated, few mitochondria and involuntary

Answer 2

c) striated, many mitochondria and voluntary

Question 3

What type of muscle is striated, only found in one location and is involuntary.

a) Smooth
b) Cardiac
c) Skeletal
d) None of the above.

Bonus: Where is it located?

Answer 3

b) Cardiac

Bonus: In the Heart

Question 4

Smooth muscle is ________ in _______ and lasts ______ for contraction.

a) Fast, offset and shorter
b) Slow, onset and longer
c) Fast, onset and shorter
d) Slow, offset and longer

Answer 4

b) Slow, onset and longer

Question 5

What is the main purpose of the cardiac muscle?

a) Respiration
b) Digestion
c) Thermogenesis
d) Circulation

Answer 5

d) Circulation

Question 6

A person is running, they get a muscle cramp which of the characteristics of muscle is it lacking.

a) excitability
b) conductivity
c) contractility
d) extensibility
e) elasticity

Answer 6

d) extensibility

* note: muscle cramp is involuntary contraction

Question 7

What is the correct order from outside to inside:

a) Epimysium, perimysium, endomysium
b) Perimysium, endomysium, epimysium
c) Endomysium, epimysium, perimysium
d) Epimysium, endomysium, perimysium

Answer 7

a) Epimysium, perimysium, endomysium

Question 8

Each _____ contains a ______.
Each______ contains a ______.
Each ______ is composed of _______ and ______.
a) myofibril, myofiber, myofiber, sarcomere, sarcomere, actin and myosin
b) myofiber, myofibril, myofibril, sarcomere, sarcomere, actin and myosin.
c) Actin, sarcomere, myosin, sarcomere, sarcomere, myofibril and myofiber
d) None of the above

Answer 8

b) myofiber, myofibril, myofibril, sarcomere, sarcomere, actin and myosin.

Question 9

Match the following pairs: 
Z Line.             Myosin attaches. 
A Band.           Myosin Length. 
I Band.             Free Actin. 
H Zone.           Actin Binds.
M Line.            Actin and Myosin

Answer 9

Z Line - Actin Binds.         
A Band - Myosin length.      
I Band - Free Actin. 
H Zone - Myosin Only.           
M Line - Myosin Attaches.

Question 10

A person reaches their max contraction amount. They can no longer contract their muscle. Nothing they do can stimulate the muscle to contract again. 
What have they reached? 
a) relative threshold 
b) muscle threshold 
c) absolute threshold
d) refractory threshold

Answer 10

c) absolute threshold

Question 11

A person is in flight or flight - what hormone is released to help a person in this situation?

a) Epinephrine
b) Growth Hormone
c) Testosterone
d) Steroids

Answer 11

c) absolute threshold