Card 1Q#51
Which of the following is NOT a blood component?
- A.Plasma
- B.Platelets
- C.Lymph
- D.Red blood cells
Answer C. Lymph
Biology10 flashcards
Biology | Set 3
Blood Chemistry, Mitosis & pH
10 practice flashcards on blood components, mitosis, blood pH, plasma, the pituitary gland, capillary walls, and the elemental composition of the human body.
Card 2Q#52
Which process divides one cell into two identical daughter cells?
- A.Meiosis
- B.Mitosis
- C.Fertilization
- D.Fermentation
Answer B. Mitosis
Card 3Q#141
What is the normal pH range of human blood?
- A.6.0 – 6.5
- B.7.35 – 7.45
- C.8.0 – 8.5
- D.5.5 – 6.0
Answer B. 7.35 – 7.45
Card 4Q#142
A pH below 7 indicates a substance is:
- A.Neutral
- B.Basic (alkaline)
- C.Acidic
- D.Isotonic
Answer C. Acidic
Card 5Q#143
How many pairs of chromosomes does a human cell contain?
- A.46
- B.23
- C.12
- D.44
Answer B. 23
Card 6Q#144
Which type of blood vessel has the thinnest walls?
- A.Arteries
- B.Arterioles
- C.Capillaries
- D.Veins
Answer C. Capillaries
Card 7Q#145
What is the liquid portion of blood called?
- A.Serum
- B.Plasma
- C.Lymph
- D.Cytoplasm
Answer B. Plasma
Card 8Q#146
Which organ is the primary controller of the endocrine system?
- A.Thyroid
- B.Adrenal gland
- C.Pituitary gland
- D.Pancreas
Answer C. Pituitary gland
Card 9Q#147
What percentage of the air we breathe is oxygen?
- A.10%
- B.21%
- C.35%
- D.50%
Answer B. 21%
Card 10Q#148
Which element makes up the largest percentage of the human body by weight?
- A.Carbon
- B.Nitrogen
- C.Oxygen
- D.Hydrogen
Answer C. Oxygen
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