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Muscular and Endocrine Systems

Question 1 of 36

1

What causes fatigue during sustained maximum contraction?

Select one of the following:

  • Loss of Potassium ions.

  • Loss of Sodium ions.

  • Buildup of lactic acid in the muscle.

  • Lack of Creatine Phosphate.

Explanation

Question 2 of 36

1

What is the cause of fatigue in muscles during rhythmic contraction?

Select one of the following:

  • Loss of Potassium ions.

  • Loss of Sodium ions.

  • Buildup of lactic acid in the muscle.

  • Lack of Creatine Phosphate.

Explanation

Question 3 of 36

1

Which is the fastest type of muscle contraction?

Select one of the following:

  • Twitch

  • Treppe

  • Cramp

  • Tetanus

Explanation

Question 4 of 36

1

Which muscle contraction is smooth, sustained, and increasing in strength?

Select one of the following:

  • Twitch

  • Treppe

  • Cramp

  • Tetanus

Explanation

Question 5 of 36

1

Which type of muscle contraction involves repeated contractions with progressively increasing intensity?

Select one of the following:

  • Twitch

  • Treppe

  • Cramp

  • Tetanus

Explanation

Question 6 of 36

1

Which of the following muscle types are striated?

Select one or more of the following:

  • Skeletal

  • Smooth

  • Cardiac

Explanation

Question 7 of 36

1

This type of muscle is found in tubular organs and passes impulse from cell-to-cell.

Select one of the following:

  • Skeletal

  • Smooth visceral

  • Smooth multiunit

  • Cardiac

Explanation

Question 8 of 36

1

This muscle type requires individual cell impulses and is found in blood vessels and in the iris and arrector pili.

Select one of the following:

  • Skeletal

  • Smooth visceral

  • Smooth multiunit

  • Cardiac

Explanation

Question 9 of 36

1

EVERY muscle has the following:

Select one or more of the following:

  • Origin

  • Antagonist

  • Insertion

  • Synergist

  • Controlling nerve

  • Action

  • Desire to be loved

Explanation

Question 10 of 36

1

Slow twitch muscle fibers have which of the following?

Select one or more of the following:

  • Type I label

  • Type II label

  • Relatively light colored

  • Relatively dark colored

  • Lots of mitochondria

  • Myoglobin

  • Relatively thick

  • Ferment often

Explanation

Question 11 of 36

1

Which of the following is characteristics of fast-twitch muscle fibers?

Select one of the following:

  • Light colored

  • Have Myoglobin

  • Are relatively thin

  • Use the electron transport chain often

Explanation

Question 12 of 36

1

The sarcolemma releases Calcium to allow for muscle contraction

Select one of the following:

  • True
  • False

Explanation

Question 13 of 36

1

Which enzyme is responsible for ending the motor nerve impulse that reaches the muscle?

Select one of the following:

  • Glutathione peroxidase

  • Hexose isomerase

  • Rubisco

  • Acetylcholinesterase

Explanation

Question 14 of 36

1

Which are characteristics of muscle?

Select one or more of the following:

  • Elasticity

  • Durability

  • Integrity

  • Contractability

  • Extensibility

  • Sense and Sensibility

  • Irritability

  • Futility

Explanation

Question 15 of 36

1

The buildup of uric acid in joints is called...

Select one of the following:

  • Osteoarthritis

  • Gouty arthritis

  • Rheumatoid arthritis

  • Ketoacidosis

Explanation

Question 16 of 36

1

Which disease is an autoimmune disorder?

Select one of the following:

  • Osteoarthritis

  • Gouty arthritis

  • Rheumatoid arthritis

  • Ketoacidosis

Explanation

Question 17 of 36

1

Athletes most often suffer from which condition?

Select one of the following:

  • Osteoarthritis

  • Gouty arthritis

  • Rheumatoid arthritis

Explanation

Question 18 of 36

1

Endocrine glands release their products into the bloodstream.

Select one of the following:

  • True
  • False

Explanation

Question 19 of 36

1

Which are advantages of endocrine hormonal control?

Select one or more of the following:

  • Extended duration of effect

  • Fast-acting physiological response

  • Localized messages

  • Broad area of effect

Explanation

Question 20 of 36

1

Steroids are water soluble molecules that activate a second messenger inside the cell.

Select one of the following:

  • True
  • False

Explanation

Question 21 of 36

1

Steroids are lipid soluble molecules that enter the cell and alter transcription.

Select one of the following:

  • True
  • False

Explanation

Question 22 of 36

1

The adenohypophysis makes which of the following hormones?

Select one or more of the following:

  • Sex hormones

  • ACTH

  • OT

  • TSH

  • STH

Explanation

Question 23 of 36

1

The anterior pituitary makes which of the following hormones?

Select one or more of the following:

  • OT

  • PRL

  • LH

  • Insulin

  • FSH

Explanation

Question 24 of 36

1

Aldosterone is what kind of molecule?

Select one of the following:

  • Sex hormone

  • Mineralocorticoid

  • Glucocorticoid

  • Polypeptide

Explanation

Question 25 of 36

1

Cortisol does which of the following?

Select one of the following:

  • Lower fatty acid and amino acid levels in the blood

  • Raise fatty acid and amino acid levels in the blood

  • Up-regulate glycolysis

  • Begin the immune response

Explanation

Question 26 of 36

1

Which is an example of a glucocorticoid?

Select one of the following:

  • Aldosterone

  • Cortisol

  • Insulin

  • Progesterone

  • Calcitonin

Explanation

Question 27 of 36

1

Type I diabetes mellitis is cause by an autoimmune response to which cells?

Select one of the following:

  • alpha cells

  • beta cells

  • delta cells

  • calcitonin-producing cells

  • splinter cells

Explanation

Question 28 of 36

1

Which glands become less active with age?

Select one or more of the following:

  • Thyroid

  • Thymus

  • Pineal

  • Adrenal Medulla

  • Adrenal Cortex

  • Neurohpophysis

Explanation

Question 29 of 36

1

Which is made by the Thyroid?

Select one of the following:

  • T-cells

  • Thyroxin

  • T5

  • T-Rex

  • Calcitonin

  • Troponin

Explanation

Question 30 of 36

1

Which hormone stops the normal menstrual cycle?

Select one of the following:

  • Progesterone

  • Testosterone

  • Follicle-stimulating hormone (FSH)

  • Chorionic gonadotropin (HCG)

  • Leutenizing hormone (LH)

Explanation

Question 31 of 36

1

Melatonin is produced by which gland?

Select one of the following:

  • Adrenal medulla

  • Thyroid

  • Posterior pituitary

  • Pineal

Explanation

Question 32 of 36

1

Parathyroid hormone does which of the following?

Select one or more of the following:

  • Promotes Vitamin D and calcium retention in the kidney

  • Stimulates osteoclasts

  • Causes calcium to be deposited into the bone

  • Stimulates the thyroid hormones

  • Produces calcitonin

Explanation

Question 33 of 36

1

Hyper-stimulation of the following gland causes Graves' disease.

Select one of the following:

  • Thyroid

  • Thymus

  • Adrenal Cortex

  • Adrenal medulla

Explanation

Question 34 of 36

1

A single unit of the Thyroid is a what?

Select one of the following:

  • Follicle

  • Fascicle

  • Islet

  • Circle

  • Sternocleidomastoid

Explanation

Question 35 of 36

1

Delta cells release what hormone?

Select one of the following:

  • Somatostatin

  • Statosoma

  • Statistician

  • Superstition

  • Somastatin

Explanation

Question 36 of 36

1

Alpha cells produce which of the following:

Select one of the following:

  • Glucagon

  • Glucose

  • Glycogen

  • Glycosides

  • Sugar

Explanation

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