and answers 2024\2025 A+ Grade
Which of the following tissues attaches muscle to bone?
A.) Fascia
B.) Tendon
C.) Ligament
D.) Bursa
- correct answer Tendon
Which of the following ions is most abundant in extracellular fluid?
A.) Calcium
B.) Chloride
C.) Sodium
D.) Potassium
- correct answer Sodium
Which of the following does the respiratory system eliminate when there is an excess of hydrogen ions
in the body?
A.) Oxygen
B.) Carbon Dioxide
C.) Bicarbonate
D.) Lactic Acid
- correct answer Carbon Dioxide
,In a normally functioning cardiovascular system where does a heartbeat originate?
A.) atrioventricular node
B.) the bundle of his
C.) purkinje fibers
D.) sinoatrial node
- correct answer Sinoatrial node
Blood cells are produced by which of the following?
A.) Red bone marrow
B.) Lamellae
C.) Lacunae
D.) Yellow bone marrow
- correct answer Red bone marrow
Which of the following is the iron-containing component of a red blood cell?
A.) Fibrinogen
B.) Albumin
C.) Hemoglobin
D.) Erythropoietin
- correct answer Hemoglobin
Which of the following is the function of angiotensin II in the regulation of blood pressure?
A.) Vasoconstriction
B.) Vasodilation
C.) Increased heart rate
D.) Decreased heart rate
- correct answer Vasoconstriction
, Which of the following hormones or enzymes is involved in fluid balance and is produced by the
kidneys?
A.) Renin
B.) Aldosterone
C.) Antidiuretic hormone
D.) Angiotensin I
- correct answer Renin
Which of the following may indicate a hypersecretion of thyroid hormones?
A.) Weight loss
B.) Bradycardia
C.) Cold intolerance
D.) Lethargy
- correct answer Weight loss
Peripheral vasodilation results in heat loss through which of the following processes?
A.) Conduction
B.) Convection
C.) Radiation
D.) Evaporation
- correct answer Radiation
Bile aids in the digestion of which of the following?
A.) Fat
B.) Protein
C.) Vitamins
D.) Carbohydrates
- correct answer Fat
Which of the following structures, located at the end of the ear canal, vibrates when sound waves strike
it?