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Michelle Jensen
Weeks 6-12 Human Anatomy
| Question | Answer |
|---|---|
| The muscle that raises or lowers the shoulders or shrugs them is the: | Trapezius. |
| The muscle(s) assisting in rotating the arm outward is (are) the: | Teres Minor |
| The soleus muscle is an example of a _____ muscle. | Pennate |
| Muscles that contract at the same time as the prime mover are called: | Synergists and Fixators |
| The origin of a muscle is on the femur, and the insertion is on the tibia. When it contracts, it bends the knee. Its fibers run parallel to the body. Which of the following terms might be part of its name? | Rectus and Femoris |
| In the human nervous system: | there are almost equal numbers of glia cells and neurons. |
| One of the components of the blood-brain barrier is: | Astrocytes |
| The largest and most numerous types of neuroglia are the: | Astrocytes |
| Which of the following compounds cannot cross the blood-brain barrier? | Dopamine |
| If you were to damage some of the preganglionic fibers that enter the celiac ganglion, what effect would this have on sympathetic stimulation? | Hormones secreted by the adrenal medulla may not reach the various sympathetic effectors, thus delaying the effects of sympathetic stimulation. |
| Which part of the vertebral column has one more pair of nerves coming from it than it has vertebrae? | Cervical |
| Conduction to autonomic effectors requires only one efferent neuron. | False |
| Which of the following is not a plexus of the spinal nerves? | Thoracic |
| Parasympathetic neuron cell bodies are located in | Nuclei of the brainstem and the lateral gray columns of the sacral cord. |
| Transparent structure of the eye containing regularly aligned collagen fibers. | Cornea |
| Gel-like structure embedded with the tips of cochlear hair cells. | Tectorial Membrane |
| Endocrine gland of the thorax that is also important in immune function. | thymus gland |
| The anatomical stalk of the pituitary is also known as | Infundibulum |
| Which of the following minerals is essential for the formation of thyroid hormone? | Iodine |
| The _____ drains much of the superficial leg and foot. | Great Saphenous Vein |
| Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: | hematopoietic stem cells. |
| The heart valves that are located where the trunk of the pulmonary artery joins the right ventricle and where the aorta joins the left ventricle are called | semilunar valves. |
| The four structures that compose the conduction system of the heart are the | SA node, AV node, AV bundle, and Purkinje fibers. |
| Atria are often called _____ because they receive blood from vessels called veins. | Receiving Chambers |
| Blood flow from the heart through blood vessels to all parts of the body and back to the heart is referred to as _____ circulation. | Systemic |
| In _____, blood moves from veins to other veins or arteries to other arteries without passing through an intervening capillary network. | Vascular Anastomoses |
| Each cortical nodule is composed of packed lymphocytes that surround a less dense area called a; | Germinal Center |
| Molecules formed by the reactions of the complement cascade assemble themselves on the enemy cell’s surface, which results in | Cytolysis |
| The _____ postulates that when an antigen enters the body, it selects the clone whose cells are committed to synthesizing its specific antibody and stimulates these cells to proliferate and to thereby produce more antibodies. | Clonal Selection Theory |
| Which antibody is synthesized by immature B cells and then inserted into their plasma membranes? | Immunoglobulin M |
| Gas exchange, the lungs’ main and vital function, takes place in the: | Alveoli |
| The external openings to the nasal cavities can be referred to as: | Nostrils, Anterior Nares, External Nares. |
| The smallest branches of the bronchial tree are: | Bronchioles |
| The respiratory portion of the nasal passage is lined with a mucous membrane made up of _____ epithelium. | Pseudostratified Columnar |
| The approximate length of the trachea, or windpipe, is _____ cm. | 11 |
| In the right lung, the superior and middle lobes are separated by the: | Horizontal Fissure |
| Which of the following lists the correct sequence of air as it passes through the nose into the pharynx? | Anterior nares vestibule inferior, middle, and superior meatus posterior nares |
| The small openings in the cribriform plate function to: | allow branches of the olfactory nerve to enter the cranial cavity and reach the brain. |
Created by:
Mijensen62
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