Test pt 12

369. Q: One extremely thin layer of flat cells = ?
A: Simple squamous epithelium.

370. Q: Many layers with flattened cells at the surface = ?
A: Stratified squamous epithelium.

371. Q: One layer of square cells around a lumen = ?
A: Simple cuboidal epithelium.

372. Q: One layer of tall cells, often with goblet cells/microvilli = ?
A: Simple columnar epithelium.

373. Q: Nuclei at different heights + often cilia = ?
A: Pseudostratified columnar epithelium.

374. Q: Multiple layers with rounded/dome-shaped surface cells = ?
A: Transitional epithelium.

375. Q: Large empty-looking cells with nuclei pushed aside = ?
A: Adipose tissue.

376. Q: Loose fibers, lots of open space, fibroblasts = ?
A: Areolar connective tissue.

377. Q: Parallel collagen fibers = ?
A: Dense regular connective tissue.

378. Q: Collagen fibers running in many directions = ?
A: Dense irregular connective tissue.

379. Q: Dark/wavy fibers allowing stretch = ?
A: Elastic connective tissue.

380. Q: Web-like branching framework = ?
A: Reticular connective tissue.

381. Q: Glassy matrix + chondrocytes in lacunae = ?
A: Hyaline cartilage.

382. Q: Lacunae + lots of elastic fibers = ?
A: Elastic cartilage.

383. Q: Thick collagen + chondrocytes in rows/lacunae = ?
A: Fibrocartilage.

384. Q: Circular structures resembling tree rings = ?
A: Compact bone/osteons.

385. Q: In compact bone, center hole = ?
A: Central canal.

386. Q: Rings around the central canal = ?
A: Lamellae.

387. Q: Small spaces containing osteocytes = ?
A: Lacunae.

388. Q: Tiny lines/channels connecting lacunae = ?
A: Canaliculi.

389. Q: Lots of small red cells + occasional larger nucleated cells = ?
A: Blood.

390. Q: Long fibers + striations + multiple nuclei = ?
A: Skeletal muscle.

391. Q: Branching + striations + intercalated discs = ?
A: Cardiac muscle.

392. Q: Spindle-shaped + no striations + one nucleus = ?
A: Smooth muscle.

393. Q: Large cell body with long processes + many small surrounding cells = ?
A: Nervous tissue/neuron.

394. Q: Collagen = ?
A: Strength.

395. Q: Elastin = ?
A: Stretch and recoil.

396. Q: Reticular fibers = ?
A: Supporting web.

397. Q: Fibroblast = ?
A: Builds connective-tissue matrix.

398. Q: Chondrocyte = ?
A: Mature cartilage cell.

399. Q: Osteocyte = ?
A: Mature bone cell.

400. Q: Cilia = ?
A: Move material.

401. Q: Microvilli = ?
A: Increase surface area for absorption.

402. Q: Goblet cell = ?
A: Mucus.

403. Q: Meissner = ?
A: Light touch.

404. Q: Pacinian = ?
A: Deep pressure/vibration.

405. Q: Ruffini = ?
A: Stretch.

406. Q: Basale = ?
A: Stem cells + melanocytes + Merkel cells.

407. Q: Spinosum = ?
A: Desmosomes/spiny appearance.

408. Q: Granulosum = ?
A: Keratohyalin; cells begin dying.

409. Q: Lucidum = ?
A: Eleidin + thick skin.

410. Q: Corneum = ?
A: Dead keratinized protective cells.

411. Q: Papillary dermis = ?
A: Areolar CT.

412. Q: Reticular dermis = ?
A: Dense irregular CT.

413. Q: Sebaceous = ?
A: Sebum + holocrine.

414. Q: Eccrine = ?
A: Watery sweat + cooling.

415. Q: Apocrine = ?
A: Thicker secretion + puberty + axilla/nipple/groin.

416. Q: Ceruminous = ?
A: Earwax.

417. Q: Hair outside → inside?
A: Cuticle → cortex → medulla.

418. Q: Epidermis deep → superficial?
A: Basale → spinosum → granulosum → lucidum → corneum.