bcs2085 unit 5

bcs2085 unit 5

University

40 Qs

quiz-placeholder

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bcs2085 unit 5

bcs2085 unit 5

Assessment

Quiz

Health Sciences

University

Practice Problem

Easy

Created by

Gabriela Leming

Used 7+ times

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40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Smooth muscle is characterized by all the following EXCEPT:

there are more thick filaments than thin filaments

it can hold contractions longer than skeletal muscle

it appears to lack troponin

there are no sarcomeres

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Muscle tissue has all of the following properties EXCEPT:

contracability

pushability

extensibility

excitability

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In muscle contraction, calcium apparently acts to:

cause ATP binding to actin

remove the blocking action of tropomyosin

increase the action potential transmitted along the sarcolemma

release the inhibition on Z discs

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcium ions bind to the _____ molecule in skeletal muscle cells.

troponin

tropomyosin

tropomyosin

myosin

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An anaerobic metabolic pathway that results in the production of two net ATP per glucose plus two pyruvic acid molecules is:

 

hydrolysis

the citric acid cycle

glycolysis

beta-oxidation

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An elaborate network of membranes in skeletal muscle cells that functions in calcium storage is the:

sarcoplasmic reticulum

myofibrilar network

mitochondria

nucleus

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Creatine phosphate functions in the muscle cell by:

inducing a conformational change in the myofilaments

forming a temporary chemical compound with myosin

storing energy that will be transferred to ADP to resynthesize ATP as needed

forming a chemical compound with actin

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