309D S08 Exam _3 PQ - Bio 309D Exam #3 Practice Questions...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Bio 309D Exam #3 Practice Questions Which of the following is NOT TRUE of hemoglobin? It a. is found in all blood cells. b. carries oxygen. c. is found only in red blood cells. d. contains iron e. makes blood red Which statement is NOT TRUE? a. Plasma is primarily water. b. Red blood cells carry oxygen. c. White blood cells defend the body against disease. d. Platelets are large cells that aid in blood clotting. e. Red blood cells make up 99% of blood cells. Which muscle component is smallest? a. muscle cell b. myofibril c. myosin thick filament d. sarcomere e. muscle fiber Which of the following is NOT true of muscle. a. Skeletal muscle is attached to bone. b. The sarcomere is the contractile unit of skeletal muscle. c. Cardiac and smooth muscle are under involuntary control. d. All muscle is striated. e. Cardiac muscle is only found in the heart. Most of the plasma is a. protein. b. salt. c. cells. d. gases. e. water. Approximately 99% of blood cells are involved in a. immunity. b. transporting oxygen. c. eating invaders. d. amoeba-like activities. e. entering and leaving the blood stream. Which of the following is NOT TRUE of hemoglobin? It a. is found in all blood cells. b. carries oxygen. c. carries carbon dioxide. d. contains iron e. is red. White blood cells a. carry O 2 in blood. b. protect body from microbes. c. are formed in the spleen. d. clot blood.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
What is the purpose of the sarcoplasmic reticulum? a. storage of calcium b. storage of ATP c. transmission of a nerve signal d. contraction The thick filaments of a myofibril are composed of a. lipids. b. T tubules. c. actin. d. myosin. e. reticulum. An electrical signal travels into the muscle fiber interior by passing down the a. sarcoplasmic reticulum. b. T tubules. c. myofilaments. d. sarcolemma. e. sarcomere. The point of communication between a neuron and a muscle fiber is called a a. receptor. b. neuromuscular junction. c. cross bridge. d. axon. The term "motor unit" refers to a. an entire skeletal muscle. b. all of the motor neurons going to a skeletal muscle. c. all of the skeletal muscle in one body part. d. the group of muscle fibers with which one motor neuron synapses. e. a group of sarcomeres in a muscle fiber. If a doctor told a patient that their appendicular bones are weak, which of the following bones might the doctor be referring to?
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 7

309D S08 Exam _3 PQ - Bio 309D Exam #3 Practice Questions...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online