What causes fatigue during sustained maximum contraction?
Loss of Potassium ions.
Loss of Sodium ions.
Buildup of lactic acid in the muscle.
Lack of Creatine Phosphate.
What is the cause of fatigue in muscles during rhythmic contraction?
Which is the fastest type of muscle contraction?
Twitch
Treppe
Cramp
Tetanus
Which muscle contraction is smooth, sustained, and increasing in strength?
Which type of muscle contraction involves repeated contractions with progressively increasing intensity?
Which of the following muscle types are striated?
Skeletal
Smooth
Cardiac
This type of muscle is found in tubular organs and passes impulse from cell-to-cell.
Smooth visceral
Smooth multiunit
This muscle type requires individual cell impulses and is found in blood vessels and in the iris and arrector pili.
EVERY muscle has the following:
Origin
Antagonist
Insertion
Synergist
Controlling nerve
Action
Desire to be loved
Slow twitch muscle fibers have which of the following?
Type I label
Type II label
Relatively light colored
Relatively dark colored
Lots of mitochondria
Myoglobin
Relatively thick
Ferment often
Which of the following is characteristics of fast-twitch muscle fibers?
Light colored
Have Myoglobin
Are relatively thin
Use the electron transport chain often
The sarcolemma releases Calcium to allow for muscle contraction
Which enzyme is responsible for ending the motor nerve impulse that reaches the muscle?
Glutathione peroxidase
Hexose isomerase
Rubisco
Acetylcholinesterase
Which are characteristics of muscle?
Elasticity
Durability
Integrity
Contractability
Extensibility
Sense and Sensibility
Irritability
Futility
The buildup of uric acid in joints is called...
Osteoarthritis
Gouty arthritis
Rheumatoid arthritis
Ketoacidosis
Which disease is an autoimmune disorder?
Athletes most often suffer from which condition?
Endocrine glands release their products into the bloodstream.
Which are advantages of endocrine hormonal control?
Extended duration of effect
Fast-acting physiological response
Localized messages
Broad area of effect
Steroids are water soluble molecules that activate a second messenger inside the cell.
Steroids are lipid soluble molecules that enter the cell and alter transcription.
The adenohypophysis makes which of the following hormones?
Sex hormones
ACTH
OT
TSH
STH
The anterior pituitary makes which of the following hormones?
PRL
LH
Insulin
FSH
Aldosterone is what kind of molecule?
Sex hormone
Mineralocorticoid
Glucocorticoid
Polypeptide
Cortisol does which 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
Which is an example of a glucocorticoid?
Aldosterone
Cortisol
Progesterone
Calcitonin
Type I diabetes mellitis is cause by an autoimmune response to which cells?
alpha cells
beta cells
delta cells
calcitonin-producing cells
splinter cells
Which glands become less active with age?
Thyroid
Thymus
Pineal
Adrenal Medulla
Adrenal Cortex
Neurohpophysis
Which is made by the Thyroid?
T-cells
Thyroxin
T5
T-Rex
Troponin
Which hormone stops the normal menstrual cycle?
Testosterone
Follicle-stimulating hormone (FSH)
Chorionic gonadotropin (HCG)
Leutenizing hormone (LH)
Melatonin is produced by which gland?
Adrenal medulla
Posterior pituitary
Parathyroid hormone does which 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
Hyper-stimulation of the following gland causes Graves' disease.
A single unit of the Thyroid is a what?
Follicle
Fascicle
Islet
Circle
Sternocleidomastoid
Delta cells release what hormone?
Somatostatin
Statosoma
Statistician
Superstition
Somastatin
Alpha cells produce which of the following:
Glucagon
Glucose
Glycogen
Glycosides
Sugar